bitumen limestone 沥青石灰石...bitumen plastic 沥青塑料...bitumen n.沥青沥青;石油沥青沥青...sulfonsted bitumen 磺化沥青...bitumen-impregnated 沥青浸渍的...asphaltic bitumen tension rule 地沥青表面张力律...bitumen varnishes 沥青清漆...cut-back bitumen 稀释沥青...oxidized bitumen 氧化沥青...liquid bitumen 液态沥青...natural bitumen 天然沥青天然沥青...colllodion of sulfonated bitumen 磺化沥青火棉胶...bitumen plastics 沥青塑料...elastic bitumen 矿质橡胶...bitumen-coated pipe 涂沥青的管...bitumen sprayer 沥青喷雾器...asphaltic bitumen 地沥青...oily bitumen 油沥青...emulsified bitumen 乳化沥青...
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